Home / 18,214.40-27,282.72-11,267.84

Finding the Fourth Proportional to 18,214.40, 27,282.72 and 11,267.84

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Solution

The fourth proportional to 18,214.40, 27,282.72 and 11,267.84 is: 16,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.40 : 27,282.72 = 11,267.84 : x
  2. Step 2: Convert to fraction form
    18,214.40/27,282.72 = 11,267.84/x
  3. Step 3: Cross multiply
    18,214.40x = 27,282.72 × 11,267.84
  4. Step 4: Simplify right side
    18,214.40x = 307,417,323.72
  5. Step 5: Solve for x
    x = 307,417,323.72/18,214.40
  6. Step 6: Final answer
    x = 16,877.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.